mx.core39.com - robtex.com

mx.core39.com

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:dcf7🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:4e79🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.78.121Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.220.247🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.78.121, 172.67.220.247
IPv6 hints2606:4700:3034::ac43:dcf7, 2606:4700:3035::6815:4e79
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=139, name=cloudflare-ech.com

core39.com

DNSSEC⚠️ Not signed
NSines.ns.cloudflare.com ⭐
NSivan.ns.cloudflare.com
MXroute3.mx.cloudflare.net ⭐
MXroute2.mx.cloudflare.net(67)
MXroute1.mx.cloudflare.net(76)
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
SOAines.ns.cloudflare.comdns@cloudflare.com serial=2402222675

Previously MX for

core39.com

Same first word

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mx.s3-website-us-east-1.amazonaws.com
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mx.cloud.nospamproxy.com
mx.agency
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mx.ws
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mx.s3.amazonaws.com
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mx.vu
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mx.gy
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Similar names

xm.co
xm.co.za
xm.kiev.ua
xm.js.cn
xm.cc
xm.by
xm.world
xm.lt
xm.com.ua
xm.ru
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xm.cl
xm.sk
xm.se
xm.hu
xm.com.co
xm.africa
xm.fi
xm.is
xm.am
xm.money
xm.be
xm.cz
xm.hk.cn
xm.fj.cn
xm.pl
xm.vn.ua
xm.house
xm.mk
xm.com

DNS History

7 records (4 active, 3 former)

20162017201820192020202120222023202420252026A104.21.78.121172.67.220.2472606:4700:3034::ac43:dcf72606:4700:3035::6815:4e7966.96.140.14666.96.140.14793.179.121.90
●A104.21.78.1212026-05-10 → 2026-05-10 · 3 obs
○ 2016-12-05 01:15:10
● 2026-05-10 06:54:14
● 2026-05-10 06:54:16
●A172.67.220.2472026-05-10 → 2026-05-10 · 3 obs
○ 2016-12-05 01:15:10
● 2026-05-10 06:54:14
● 2026-05-10 06:54:16
●A2606:4700:3034::ac43:dcf72026-05-10 → 2026-05-10 · 3 obs
○ 2016-12-05 01:15:10
● 2026-05-10 06:54:14
● 2026-05-10 06:54:16
●A2606:4700:3035::6815:4e792026-05-10 → 2026-05-10 · 3 obs
○ 2016-12-05 01:15:10
● 2026-05-10 06:54:14
● 2026-05-10 06:54:16
○A66.96.140.1462015-08-21 → 2016-12-05 · 4 obs
● 2015-08-21 05:15:44
● 2016-12-05 01:15:10
○ 2026-05-10 06:54:14
○ 2026-05-10 06:54:16
○A66.96.140.1472015-08-21 → 2016-12-05 · 4 obs
● 2015-08-21 05:15:44
● 2016-12-05 01:15:10
○ 2026-05-10 06:54:14
○ 2026-05-10 06:54:16
○A93.179.121.902015-08-21 → 2016-12-05 · 4 obs
● 2015-08-21 05:15:44
● 2016-12-05 01:15:10
○ 2026-05-10 06:54:14
○ 2026-05-10 06:54:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net...-
core39.comivan.ns.cloudflare.com, ines.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.164

NS records: ivan.ns.cloudflare.com, ines.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for core39.com (unsigned zone)

⏱️ Timing

Total: 285ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.220.247, 104.21.78.121
AAAA22606:4700:3034::ac43:dcf7, 2606:4700:3035::6815:4e79
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ivan.ns.cloudflare.com, ivan.ns.cloudflare.com, ivan.ns.cloudflare.com...)

Analysis

IP Addresses

mx.core39.com maps to four IP numbers: 2606:4700:3034::ac43:dcf7, 2606:4700:3035::6815:4e79, 104.21.78.121 and 172.67.220.247.

Other host names such as jadeteta.com, www.valueflowhub.com, banserv.net, 7777.casino and ebbandflowapparel.com share IPs with mx.core39.com.